POLYIMIDE AND COPOLYIMIDES INTENDED FOR PRODUCTION OF POLYIMIDE MATERIALS HAVING IMPROVED HYDROLYTIC RESISTANCE Russian patent published in 1997 - IPC

Abstract RU 2072370 C1

FIELD: production of polymer materials. SUBSTANCE: polyimide and copolyimides on the base of 1-(4¹-aminophenyl)-3-aminoethyladamantane, 4, 4¹-diaminodiphenyl ether and pyromellytic dianhydride are prepared by adding fragments of aryl adamanthyl-containing amine into structure of said polyimide, molar ratio of said diamine and mentioned above diaminodiphenyl ether being (100-70):(0-30). EFFECT: produces novel polymer materials. 1 tbl

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RU 2 072 370 C1

Authors

Novakov I.A.

Orlinson B.S.

Dates

1997-01-27—Published

1994-08-25—Filed